Jinan Zhenghua CNC Machine Co., Ltd. serves for architectural windows and doors industry and architectural glass industry, specializing in manufacturing complete sets of architectural energy-saving plastic windows and doors machines, aluminum-alloy windows and doors machines, insulating glass machines, and curtain wall machines.Our company was established in 1993, and the products spread into various Chinese provinces, cities, and autonomous regions, and sell into distant markets of the US, Russia, Nigeria, Saudi Arabia, Brazil, India and so on. ��We do strictly according to international quality system authentication (ISO9001:2000 version), and manufacture superior, security, standard high quality products in exchange for customer&＃039;s best appraisal. We carry out the strategy that using the customer good oral traditions promotes our turnover every year. Any questions, kindly write to me kikicnc at hotmail dot com